I am building an android where. Inside of one activity I have an image button. When I click on it the gallery opens up and I can choose an image. Then I set that image as the new image for the image button. The problem is the image appears way too big inside my activity. How can I make it fit into my image button?
protected void onActivityResult(int requestCode, int resultCode, Intent imageReturnedIntent) {
super.onActivityResult(requestCode, resultCode, imageReturnedIntent);
switch(requestCode) {
case SELECT_PHOTO:
if(resultCode == RESULT_OK){
Uri selectedImage = imageReturnedIntent.getData();
String[] filePathColumn = {MediaStore.Images.Media.DATA};
Cursor cursor = getContentResolver().query(selectedImage, filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String filePath = cursor.getString(columnIndex);
cursor.close();
Bitmap yourSelectedImage = BitmapFactory.decodeFile(filePath);
mImageButton.setImageBitmap(yourSelectedImage);
}
}
}
You can use this method to get a resized image. This way you can avoid OutOfMemoryError
public static Bitmap decodeUri(Context c, Uri uri, final int requiredSize)
throws FileNotFoundException {
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
BitmapFactory.decodeStream(c.getContentResolver().openInputStream(uri), null, o);
int width_tmp = o.outWidth
, height_tmp = o.outHeight;
int scale = 1;
while(true) {
if(width_tmp / 2 < requiredSize || height_tmp / 2 < requiredSize)
break;
width_tmp /= 2;
height_tmp /= 2;
scale *= 2;
}
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize = scale;
return BitmapFactory.decodeStream(c.getContentResolver().openInputStream(uri), null, o2);
}